HTS code 4409.10.45.00 covers "Wood (including strips and friezes for parquet flooring, not assembled) continuously shaped (tongued, grooved, rebated, chamfered, V-jointed, beaded, molded, rounded or the like) along any of its edges, ends or faces, whether or not planed, sanded or end-jointed › Coniferous › Wood continuously shaped along any of its ends, whether or not also continuously shaped along any of its edges or faces, all the foregoing whether or not planed, sanded or end-jointed › Wood flooring › Other" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.